Cita APA (7th ed.)
Hill, J. W. (1971). Knowing the unknown God. Philosophical Library.
Cita Chicago (17th ed.)
Hill, John William. Knowing the Unknown God. New York: Philosophical Library, 1971.
Cita MLA (9th ed.)
Hill, John William. Knowing the Unknown God. Philosophical Library, 1971.
Atenció: Aquestes cites poden no estar 100% correctes.